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On Nov 21, 2025


SMCJ36CA ESD Protection Diodes / TVS Diodes by Littelfuse


Introduction

The SMCJ36CA by Littelfuse is a high-performance bidirectional ESD Protection Diode / TVS Diode engineered to safeguard sensitive electronics from electrical transients, surges, and voltage spikes. As part of the Littelfuse SMCJ series, it offers exceptional reliability for industrial, telecom, and automotive systems. This component plays a crucial role in many Circuit Protection designs, helping engineers build robust and failure-resistant electronic circuits.
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Technical Specifications


Electrical Parameters

  • Manufacturer: Littelfuse

  • Part Number: SMCJ36CA

  • Type: ESD Protection Diodes / TVS Diodes

  • Breakdown Voltage (VBR): 40.0V (typical)

  • Working Peak Reverse Voltage: 36V

  • Peak Pulse Power Dissipation: 1500W

  • Clamping Voltage: 58.1V

  • Reverse Leakage Current: 1µA

  • Polarity: Bidirectional

  • Package: DO-214AB (SMC)

  • Category: Circuit Protection, TVS Diodes, ESD Suppression

The SMCJ36CA ensures stable performance even in harsh electrical environments where transient threats are common.


Key Features


Why Engineers Choose SMCJ36CA

  • High 1500W surge capability

  • Fast response to transient threats

  • Bidirectional design for AC and complex signals

  • Ideal for Circuit Protection in industrial and automotive systems

  • Low leakage for superior long-term reliability

  • Standard SMC package for compact PCB integration

These features make it a proven choice in ESD Protection Diodes / TVS Diodes applications.


Applications


Where SMCJ36CA is Commonly Used

  • Industrial motor drives

  • Power supply protection

  • Automotive ECUs and sensor modules

  • Communication and telecom equipment

  • Consumer electronics & IoT devices

  • Battery-powered electronic systems

Its robustness ensures stable Circuit Protection even under demanding electrical environments.


Wiring and Connection Overview


Typical Connection Method

  • Connect the diode across the power line or signal line requiring protection

  • No external biasing components required

  • Ensure correct PCB thermal handling for 1500W pulse rating

This setup ensures reliable suppression of ESD and surge events.


Use Case Scenario


Real-World Example

A telecom system integrator needed strong surge protection for outdoor network equipment exposed to lightning-induced transients. Their previous solutions suffered repeated failures. The SMCJ36CA by Littelfuse offered higher clamping power and better thermal stability, dramatically improving system uptime while maintaining reliable ESD Protection Diode / TVS Diode performance.


Download Datasheet


Looking for electrical curves, thermal information, or mechanical specifications?
Download the official Littelfuse SMCJ36CA datasheet directly from www.xonelec.com.


Also Available from Other Manufacturers


You can also find equivalent ESD Protection Diodes / TVS Diodes and Circuit Protection products from:


Why Buy from XON Electronics?


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  • 100% original components from top brands

  • Fast global shipping to USA, India, Australia, Europe & more

  • Competitive pricing for bulk and OEM requirements

  • Secure ordering and reliable delivery

  • Expert support for sourcing alternative parts

Order the SMCJ36CA or explore thousands of Circuit Protection parts at www.xonelec.com today.


FAQs – SMCJ36CA Littelfuse TVS Diode


Q1. What type of protection does the SMCJ36CA offer?

It provides surge, ESD, and voltage spike suppression for sensitive electronics.

Q2. Is it bidirectional?

Yes, the SMCJ36CA is a bidirectional TVS diode.

Q3. What is its peak pulse power?

It supports up to 1500W peak pulse handling.

Q4. Which category does it belong to?

It falls under Circuit Protection and ESD Protection Diodes / TVS Diodes.

Q5. Where can I buy it?

You can purchase it globally from www.xonelec.com.


Conclusion


The SMCJ36CA by Littelfuse stands out as a dependable, high-power ESD Protection Diode / TVS Diode, widely used across industrial, telecom, and automotive systems. Its strong surge capability, fast response, and rugged design make it a preferred choice in Circuit Protection applications. Available now at www.xonelec.com with global delivery to USA, India, Australia, Europe, and many other countries.


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